The digitalization era which pointing at the development of the information technology public in every field, it’s also reach to the health field such as public health care or even a personal health care. The problem that we should answer is how can the apps contain two features and it works well together. By using the literature study and the experiments of the Objective C especially in mobile devices, this thesis is success in developing the application to count the heart rate and the running pace using a route tracking in iOS. So the method that the writer use is to answer the question that the writer should answer in this thesis is that the application can work well together and it works perfectly using a Core Data as the database.

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